Panama canal tolls. Hearing before a subcommittee of the Committee on interstate and foreign commerce, House of representatives, Seventy-fourth Congress, first session, on H.R. 1399, to provide for the measurement of vessels using the Panama canal, and for other purposes. January 24, 1935 ..
iii, 56 pages tables 23 cm
67313690
Printed for the use of the Committee on interstate and foreign commerce
Clarence F. Lea, chairman of subcommittee